cp's OEIS Frontend

This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

A205535 Least nonnegative integer y such that Kronecker(y^2 - 4, n) == -1 and (x+2)^(n+1) == 5 -+ 2*y (mod n, mod x^2 +- y*x + 1), or -1 if there is no such y.

Table of values

n a(n)
0 -1
1 -1
2 1
3 0
4 -1
5 1
6 -1
7 0
8 -1
9 -1
10 -1
11 0
12 -1
13 3
14 -1
15 -1
16 -1
17 1
18 -1
19 0
20 -1
21 -1
22 -1
23 0
24 -1
25 -1
26 -1
27 -1
28 -1
29 1
30 -1
31 0
32 -1
33 -1
34 -1
35 -1
36 -1
37 3
38 -1
39 -1
40 -1
41 1
42 -1
43 0
44 -1
45 -1
46 -1
47 0
48 -1
49 -1
50 -1
51 -1
52 -1
53 1
54 -1
55 -1
56 -1
57 -1
58 -1
59 0
60 -1
61 5
62 -1
63 -1
64 -1
65 -1
66 -1
67 0
68 -1
69 -1
70 -1
71 0
72 -1
73 3
74 -1
75 -1
76 -1
77 -1
78 -1
79 0
80 -1
81 -1
82 -1
83 0
84 -1
85 -1
86 -1
87 -1
88 -1
89 1
90 -1
91 -1
92 -1
93 -1
94 -1
95 -1

List of values

[-1, -1, 1, 0, -1, 1, -1, 0, -1, -1, -1, 0, -1, 3, -1, -1, -1, 1, -1, 0, -1, -1, -1, 0, -1, -1, -1, -1, -1, 1, -1, 0, -1, -1, -1, -1, -1, 3, -1, -1, -1, 1, -1, 0, -1, -1, -1, 0, -1, -1, -1, -1, -1, 1, -1, -1, -1, -1, -1, 0, -1, 5, -1, -1, -1, -1, -1, 0, -1, -1, -1, 0, -1, 3, -1, -1, -1, -1, -1, 0, -1, -1, -1, 0, -1, -1, -1, -1, -1, 1, -1, -1, -1, -1, -1, -1]